//定时器1的回调函数
void tmr1_callback(void *p_tmr,void *p_arg)
{
u8 *pbuf;
static u8 msg_num;
OS_ERR err;
pbuf = mymalloc(SRAMIN,10); //申请10个字节
if(pbuf) //申请内存成功
{
msg_num++;
sprintf((char*)pbuf,"ALIENTEK %d",msg_num);
//发送消息
OSTaskQPost((OS_TCB* )&Msgdis_TaskTCB, //向任务Msgdis发送消息
(void* )pbuf,
(OS_MSG_SIZE)10,
(OS_OPT )OS_OPT_POST_FIFO,
(OS_ERR* )&err);
if(err != OS_ERR_NONE)
{
myfree(SRAMIN,pbuf); //释放内存
OSTmrStop(&tmr1,OS_OPT_TMR_NONE,0,&err); //停止定时器1
tmr1sta = !tmr1sta;
LCD_ShowString(40,150,100,16,16,"TMR1 STOP! ");
}
}
}
//主任务的任务函数
void main_task(void *p_arg)
{
u8 key,num;
OS_ERR err;
u8 *p;
while(1)
{
key = KEY_Scan(0); //扫描按键
if(key==WKUP_PRES)
{
tmr1sta = !tmr1sta;
if(tmr1sta)
{
OSTmrStart(&tmr1,&err);
LCD_ShowString(40,150,100,16,16,"TMR1 START!");
}
else
{
OSTmrStop(&tmr1,OS_OPT_TMR_NONE,0,&err); //停止定时器1
LCD_ShowString(40,150,100,16,16,"TMR1 STOP! ");
}
}
num++;
if(num%10==0) check_msg_queue(p);//检查DATA_Msg消息队列的容量
if(num==50)
{
num=0;
LED0 = ~LED0;
}
OSTimeDlyHMSM(0,0,0,10,OS_OPT_TIME_PERIODIC,&err); //延时10ms
}
}
//Í£Ö¹¶¨Ê±Æ÷
int del_timer(timer_t *tmr)
{
INT8U perr;
OS_TMR *tmr_t = tmr;
if (tmr_t == 0)
{
p_err("del_timer tmr err");
return 0;
}
if(timer_pending(tmr))
{
OSTmrStop(tmr_t, OS_TMR_OPT_NONE, 0, &perr);
return 1;
}
OSTmrStop(tmr_t, OS_TMR_OPT_NONE, 0, &perr);
return 0;
}